LAUREL, Md. (WUSA9) -- The Laurel Oil and Heating Company went up in flames Wednesday night.Firefighters are still watching over any potential hot spots. Meanwhile, an investigation is underway into a blaze that easily could have become a deadly disaster.

The Prince George's County Fire Department spokesperson said when fire crews arrived at 101 Main Street at about 7 p.m., the fire was showing from a garage that houses fuel trucks.

Approximately 100 firefightersfrom Prince George's County and Howard County put out the blaze that burned through the roof, the spokesperson said.

A full Hazmat team also responded to help clear out the scene that was about 50 yards away from five massive fuel tanks, the City of Laurel Public Information Officer Pete Piringer said.The crews prevented the fire from spreading to the massive fuel storage tanks nearby.